>sp|Q980L4|PSB1_SACS2 Proteasome subunit beta 1 OS=Saccharolobus solfataricus GN=psmB1 MEELPATAVGLKVNDGIVLASERRLSYGGYVLSKQAKKVYKINKFLMAGAGIYGDLQTLT RIMNVEIKYYEVSTGKPISVHAAAKLLSVILYQYKVMPFISEILFGGVDEKGPQLYVLDP IGSLIEDNYAAVGSGARIAIGVLESEYDPNMSLDVATQLITKAIKASIERDITSGDGIDL AIIDKKGNYENKFIPY